A Porter Airlines de Havilland Dash 8-400, registration C-GLQO performing flight PD-422 from Montreal,QC to Toronto City,ON (Canada) with 55 passengers and 4 crew, suffered the failure of the #1 hydraulic system prompting the crew to declare emergency and divert the aircraft to Toronto’s Lester B. Pearson International Airport. The aircraft landed safely on Toronto’s runway 15L and stopped on the runway, emergency services noticed fluid leaking from the #1 engine as well as hot brakes.

The Canadian TSB wrote: “The maintenance personnel investigation revealed catastrophic internal damage and a hole in the case of the number 1 Engine Driven Hydraulic Pump (EDP), which allowed hydraulic fluid to escape. The number 1 EDP was replaced and the associated abbreviated flush procedure was accomplished at CYYZ. The aircraft was returned to service the next day.”

A Porter de Havilland Dash 8-400, registration C-GKQB performing flight PD-617 from Toronto City,ON to Timmins,ON (Canada) with 26 people on board, departed Billy Bishop Airport’s runway 33 but immediately after takeoff dropped the outboard cowl of the left hand engine (PW150). Some time later ground personnel discovered debris on the runway and contacted tower, the debris was collected and identified as an engine cowl, the airline notified who in turn contacted the flight crew who had remained unaware of the occurrence. The aircraft returned to Toronto’s Billy Bishop Airport for a safe landing.

The Canadian TSB reported that in addition to the damaged engine cowl the aircraft received damage to leading edge of left wing, upper left wing surface and a window frame. It was determined that the 4 latches, that secure the left forward engine door, had not been fastened.

A Porter Airlines de Havilland Dash 8-400, registration C-GLQB performing flight PD-719 from Toronto City,ON (Canada) to Washington Dulles,DC (USA), was climbing out of Toronto’s Billy Bishop City Airport when the crew received a #1 hydraulic pump caution light prompting the crew to return to Billy Bishop Airport. While returning the crew received indication of the failure of the #1 hydraulic system which lost flaps, anti-skid/normal brakes, inboard roll spoilers, and one rudder and one elevator PCU. The crew decided to divert to Toronto’s Lester Pearson International Airport, where the aircraft landed safely and slowly taxied to the apron using emergency brakes, emergency services following the aircraft.

The Canadian TSB reported maintenance found the case of the #1 engine driven hydraulic pump cracked which resulting in loss of hydraulic fluid and failure of the hydraulic system.

Incident: Porter DH8D near Montreal on May 3rd 2013, engine shut down in flight

By Simon Hradecky, created Monday, May 6th 2013 20:48Z, last updated Monday, May 6th 2013 20:48Z

A Porter Airlines de Havilland Dash 8-400, registration C-GLQK performing flight PD-247 from Ottawa,ON to Halifax,NS (Canada) with 70 people on board, was enroute at FL250 about 40nm south of Montreal,QC (Canada) when the crew noticed problems with the right hand engine (PW150) and actioned the relevant checklist, which concluded in the shutdown of the engine. The crew diverted to Montreal for a safe landing on runway 06L 22 minutes later.